Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
The plastic square tray is sealed with Press-in saran wrap to maintain a moisture > 75%. Several uniform holes are made on the cover surface. The tray is kept steadily in a controlled condition with 14 h light/10 h dark at 24 ± 2 °C.
